CA2427484A1 - Turbulent air cleaning method and apparatus for catheter assemblies - Google Patents
Turbulent air cleaning method and apparatus for catheter assemblies Download PDFInfo
- Publication number
- CA2427484A1 CA2427484A1 CA002427484A CA2427484A CA2427484A1 CA 2427484 A1 CA2427484 A1 CA 2427484A1 CA 002427484 A CA002427484 A CA 002427484A CA 2427484 A CA2427484 A CA 2427484A CA 2427484 A1 CA2427484 A1 CA 2427484A1
- Authority
- CA
- Canada
- Prior art keywords
- catheter tube
- cover member
- cleaning chamber
- chamber
- orifice
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0463—Tracheal tubes combined with suction tubes, catheters or the like; Outside connections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M2025/0019—Cleaning catheters or the like, e.g. for reuse of the device, for avoiding replacement
Abstract
A method and apparatus are provided for cleaning a medical device tube, for example a catheter tube (34). The distal end portion (36) of the tube (34) has a distal opening (38) and at least one side opening (40) adjacent to the distal opening (38) . The distal end of the tube is disposed in a closed chamber with the distal opening generally opposite from a first orifice defined in the chamber. A liquid is introduced into the chamber and is drawn into the distal opening in the tube, for example by a suction force. A
different fluid medium, such as air, is drawn through the first orifice and into the distal opening in the tube. A turbulent flow path is established with the fluid medium wherein the medium is drawn through the first orifice, into the distal opening in the tube, out the side opening in the tube, and back into the distal opening in the tube. This turbulent flow path enhances the cleaning action of the liquid introduced into the chamber for cleaning the distal end portion of the tube within the chamber.
different fluid medium, such as air, is drawn through the first orifice and into the distal opening in the tube. A turbulent flow path is established with the fluid medium wherein the medium is drawn through the first orifice, into the distal opening in the tube, out the side opening in the tube, and back into the distal opening in the tube. This turbulent flow path enhances the cleaning action of the liquid introduced into the chamber for cleaning the distal end portion of the tube within the chamber.
Claims (34)
1. A method for cleaning a catheter tube wherein a distal end portion of the catheter tube includes a distal tip having a distal opening and at least one side opening adjacent to the distal tip, said method comprising:
withdrawing the catheter tube into a cleaning chamber until the distal end portion of the catheter tube is disposed within the cleaning chamber;
closing the cleaning chamber with a cover member disposed generally opposite from the distal tip;
injecting a cleaning solution into the cleaning chamber;
applying suction to the cleaning chamber through the catheter tube;
drawing air into the distal opening of the catheter through an orifice in the cover member during said suctioning; and wherein a turbulent flow path is created within the cleaning chamber that enhances the cleaning operation.
withdrawing the catheter tube into a cleaning chamber until the distal end portion of the catheter tube is disposed within the cleaning chamber;
closing the cleaning chamber with a cover member disposed generally opposite from the distal tip;
injecting a cleaning solution into the cleaning chamber;
applying suction to the cleaning chamber through the catheter tube;
drawing air into the distal opening of the catheter through an orifice in the cover member during said suctioning; and wherein a turbulent flow path is created within the cleaning chamber that enhances the cleaning operation.
2. The method as in claim 1, comprising disposing the distal opening in the catheter tube in axial alignment with the orifice in the cover member.
3. The method as in claim 2, comprising disposing the distal tip of the catheter tube spaced from the cover member.
4. The method as in claim 1, wherein after a period of time of supplying air into the cleaning chamber through the orifice in the cover member, said method further comprises supplying air into the cleaning chamber from additional orifices disposed so as to urge the cleaning solution away from sides of the cleaning chamber.
5. The method as in claim 4, comprising defining the additional orifices in the cover member arranged around the first orifice.
6. The method as in claim 1, comprising supplying the air through the first orifice in the cover member by reducing pressure in the cleaning chamber.
7. The method as in claim 1, comprising supplying the air through the first orifice in the cover member by pressurizing the air drawn through the cover member.
8. The method as in claim 1, wherein the catheter tube is a respiratory suction catheter tube, said method used to clean mucous and secretions form the distal end portion of the catheter tube.
9. The method as in claim 1, wherein the cleaning chamber is defined at least in part by a fitting having a port in communication with a patient's artificial airway, said step of closing the cleaning chamber with the cover member comprising removing the fitting from the artificial airway and closing off the port with the cover member.
10. The method as in claim 1, wherein the cleaning chamber is defined within a portion of a fitting that is automatically closed off by the cover member upon withdrawing the distal end portion of the catheter tube past the cover member and into the fitting portion.
11. A method of creating a turbulent flow at a distal end of a medical device tube having a distal opening and at least one side opening adjacent to the distal opening, said method comprising the steps of:
disposing the distal end of the tube in a closed chamber such that the distal opening is generally opposite from a first orifice defined through the chamber;
introducing a liquid into the chamber;
drawing the liquid into the distal opening in the tube; and drawing a fluid medium through the first orifice defined in the chamber and into the distal opening in the tube with the liquid;
conveying a portion of the fluid medium and liquid mixture out the side opening in the tube, and back into the distal opening in the tube in a flow pattern;
wherein the flow pattern creates a turbulence in the liquid flowing around the distal end of the tube within the chamber.
disposing the distal end of the tube in a closed chamber such that the distal opening is generally opposite from a first orifice defined through the chamber;
introducing a liquid into the chamber;
drawing the liquid into the distal opening in the tube; and drawing a fluid medium through the first orifice defined in the chamber and into the distal opening in the tube with the liquid;
conveying a portion of the fluid medium and liquid mixture out the side opening in the tube, and back into the distal opening in the tube in a flow pattern;
wherein the flow pattern creates a turbulence in the liquid flowing around the distal end of the tube within the chamber.
12. The method as in claim 11, wherein the medical device tube is a catheter tube, said disposing step comprising withdrawing the distal end of the catheter tube into a distal fitting member of a catheter assembly.
13. The method as in claim 12, further comprising covering a portion of the fitting with a cover member to define the chamber, the cover member having the first orifice defined therethrough.
14. The method as in claim 12, wherein the catheter tube is a respiratory suction catheter tube, said method used to clean the distal end of the suction catheter tube.
15. The method as in claim 11, wherein said drawing a fluid medium step comprises drawing air through the first orifice.
16. The method as in claim 15, comprising creating a reduced pressure with the chamber to draw the air through the first orifice.
17. The method as in claim 16, comprising drawing a suction through the tube.
18. The method as in claim 11, further comprising drawing a fluid medium through additional orifices in the chamber oriented so as to direct the fluid medium around the circumference of the tube in the chamber.
19. The method as in claim 18, comprising drawing air through the additional orifices.
20. A catheter tube assembly comprising:
a catheter tube having a distal opening and at least one side opening defined in a distal end portion of said catheter tube adjacent to said distal opening;
a cleaning chamber, said distal end portion of said catheter tube movable into said cleaning chamber;
a port in communication with said cleaning chamber for introducing a cleaning solution into said chamber;
a first orifice defined through said cleaning chamber and disposed so as to be generally opposite said distal opening of said catheter tube upon withdrawing said distal end portion into said chamber; and wherein upon applying a suction force through said catheter tube a turbulent flow pattern is established by air drawn through said first orifice and into said distal opening of said catheter tube with the cleaning solution, a portion of the air and cleaning solution mixture being conveyed out said side opening, and back into distal opening thereby creating a turbulence in said cleaning solution within said cleaning chamber.
a catheter tube having a distal opening and at least one side opening defined in a distal end portion of said catheter tube adjacent to said distal opening;
a cleaning chamber, said distal end portion of said catheter tube movable into said cleaning chamber;
a port in communication with said cleaning chamber for introducing a cleaning solution into said chamber;
a first orifice defined through said cleaning chamber and disposed so as to be generally opposite said distal opening of said catheter tube upon withdrawing said distal end portion into said chamber; and wherein upon applying a suction force through said catheter tube a turbulent flow pattern is established by air drawn through said first orifice and into said distal opening of said catheter tube with the cleaning solution, a portion of the air and cleaning solution mixture being conveyed out said side opening, and back into distal opening thereby creating a turbulence in said cleaning solution within said cleaning chamber.
21. The catheter tube assembly as in claim 21, further comprising a fitting through which said catheter tube passes, said cleaning chamber defined at least in part by said fitting.
22. The catheter tube assembly as in claim 21, further comprising a cover member associated with said fitting, said cover member closing off said cleaning chamber upon said distal end of said catheter tube being withdrawn into said fitting, said orifice defined in said cover member.
23. The catheter tube assembly as in claim 22, wherein said fitting comprises a port that is detachable from a patient's artificial airway, said cover member configured to close off said port upon detaching said fitting to define said cleaning chamber.
24. The catheter tube assembly as in claim 23, wherein said cover member is removable from said fitting.
25. The catheter tube assembly as in claim 22, wherein said cover member is disposed within said fitting and automatically moves to closes off said cleaning chamber upon said distal end of said catheter tube being withdrawn past said cover member.
26. The catheter tube assembly as in claim 25, wherein said cover member comprises a flap member.
27. The catheter tube assembly as in claim 20, further comprising at least one additional orifice in said cleaning chamber disposed so as to direct air generally along the circumference of said distal end of said catheter tube within said cleaning chamber.
28. The catheter tube assembly as in claim 27, comprising a plurality of said additional orifices disposed around said first orifice.
29. The catheter tube assembly as in claim 28, further comprising a cover member movable to a position to close off said cleaning chamber upon said distal end of said catheter tube being withdrawn into said cleaning chamber, said first orifice and said additional orifices defined through said cover member.
30. The catheter tube assembly as in claim 20, wherein said catheter tube is a respiratory suction catheter tube.
31. The catheter tube assembly as in claim 30, further comprising a fitting connectable with a patient's artificial airway, said cleaning chamber defined at least in part by fitting.
32. The catheter tube assembly as in claim 31, wherein said manifold housing member comprises a port detachable from the artificial airway, and further comprising a cover member configured to close off said port to define said cleaning chamber, said first orifice defined in said cover member.
33. The catheter tube assembly as in claim 31, further comprising a cover member disposed within said fitting, said cover member automatically movable to a position to define and close off said cleaning chamber upon said distal end of said catheter tube being withdrawn past said cover member, said first orifice defined in said cover member.
34. The catheter tube assembly as in claim 33, wherein said cover member is a hinged flap member.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/741,769 | 2000-12-19 | ||
| US09/741,769 US6602219B2 (en) | 2000-12-19 | 2000-12-19 | Turbulent air cleaning method and apparatus for catheter assemblies |
| PCT/US2001/048972 WO2002049680A2 (en) | 2000-12-19 | 2001-12-17 | Turbulent air cleaning method and apparatus for catheter assemblies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2427484A1 true CA2427484A1 (en) | 2002-06-27 |
| CA2427484C CA2427484C (en) | 2009-11-17 |
Family
ID=24982108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002427484A Expired - Lifetime CA2427484C (en) | 2000-12-19 | 2001-12-17 | Turbulent air cleaning method and apparatus for catheter assemblies |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6602219B2 (en) |
| EP (2) | EP1911482B1 (en) |
| JP (1) | JP4008813B2 (en) |
| KR (1) | KR100754639B1 (en) |
| AT (2) | ATE444092T1 (en) |
| AU (2) | AU3963802A (en) |
| BR (1) | BR0115779B1 (en) |
| CA (1) | CA2427484C (en) |
| DE (2) | DE60143369D1 (en) |
| MX (1) | MXPA03005201A (en) |
| NO (1) | NO20032643L (en) |
| WO (1) | WO2002049680A2 (en) |
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| US6978783B2 (en) * | 2000-04-06 | 2005-12-27 | Unomedical A/S | Manifold |
| US6609520B1 (en) * | 2000-10-31 | 2003-08-26 | Kimberly-Clark Worldwide, Inc. | Closed suction catheter adaptor and assembly containing the same |
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| US8561614B2 (en) | 2006-09-28 | 2013-10-22 | Covidien Lp | Multi-layer cuffs for medical devices |
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| US8307830B2 (en) | 2006-09-29 | 2012-11-13 | Nellcor Puritan Bennett Llc | Endotracheal cuff and technique for using the same |
| US8807136B2 (en) | 2006-09-29 | 2014-08-19 | Covidien Lp | Self-sizing adjustable endotracheal tube |
| US7950393B2 (en) | 2006-09-29 | 2011-05-31 | Nellcor Puritan Bennett Llc | Endotracheal cuff and technique for using the same |
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| FR2911073B1 (en) * | 2007-01-08 | 2009-02-20 | Georges Boussignac | ARTIFICIAL BREATHING DEVICE FOR EMERGENCY RELIEF. |
| US20080289658A1 (en) * | 2007-05-21 | 2008-11-27 | Eli Bradley A | Human-interface cleaning device and cleaning method |
| US8372215B2 (en) * | 2007-05-21 | 2013-02-12 | Bradley A. Eli | Human-interface cleaning device |
| US8750978B2 (en) | 2007-12-31 | 2014-06-10 | Covidien Lp | System and sensor for early detection of shock or perfusion failure and technique for using the same |
| US7704002B2 (en) * | 2008-02-19 | 2010-04-27 | Medical Components, Inc. | Luer cleaner with self-puncturing reservoir |
| RU2509577C2 (en) | 2008-07-29 | 2014-03-20 | Кэафьюжн 207, Инк. | Valve assembly for respiratory systems |
| US8382908B2 (en) | 2009-02-06 | 2013-02-26 | Endoclear, Llc | Methods for cleaning endotracheal tubes |
| US8590534B2 (en) | 2009-06-22 | 2013-11-26 | Covidien Lp | Cuff for use with medical tubing and method and apparatus for making the same |
| GB0914557D0 (en) | 2009-08-20 | 2009-09-30 | Smiths Medical Int Ltd | Ventilation and suction systems and assemblies |
| EP2902066B1 (en) | 2010-03-29 | 2021-03-10 | Endoclear LLC | Airway cleaning and visualization |
| GB201119794D0 (en) | 2011-11-16 | 2011-12-28 | Airway Medix Spolka Z O O | Ballooned ventilation tube cleaning device |
| US10322253B2 (en) | 2011-03-29 | 2019-06-18 | Teleflex Life Sciences Unlimited Company | Ballooned ventilation tube cleaning device |
| AU2015300855A1 (en) * | 2014-08-08 | 2017-03-02 | Vyaire Medical Consumables Llc | Wash port assemblies for airway adapters |
| US10500360B1 (en) | 2014-08-29 | 2019-12-10 | Teleflex Life Sciences Unlimited Company | Catheter for cleaning of tracheal ventilation tubes |
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| US10946153B2 (en) | 2016-05-16 | 2021-03-16 | Teleflex Life Sciences Pte. Ltd. | Mechanical user control elements for fluid input module |
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| GB201717237D0 (en) | 2017-10-20 | 2017-12-06 | Smiths Medical International Ltd | Suction catheter assemblies |
| GB201902868D0 (en) | 2019-03-02 | 2019-04-17 | Smiths Medical International Ltd | Suction catheter assemblies and assemblies including a suction catheter assembly |
| GB201915251D0 (en) | 2019-10-22 | 2019-12-04 | Smiths Medical International Ltd | Connectors and assemblies |
| GB202006539D0 (en) | 2020-05-04 | 2020-06-17 | Smiths Medical International Ltd | Closed-system suction catheter assemblies |
| GB202011662D0 (en) | 2020-07-28 | 2020-09-09 | Smiths Medical International Ltd | Closed-system suction catheter |
| WO2022238668A1 (en) | 2021-05-10 | 2022-11-17 | Smiths Medical International Limited | Suction catheter assemblies |
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-
2000
- 2000-12-19 US US09/741,769 patent/US6602219B2/en not_active Expired - Lifetime
-
2001
- 2001-12-17 DE DE60143369T patent/DE60143369D1/en not_active Expired - Lifetime
- 2001-12-17 AU AU3963802A patent/AU3963802A/en active Pending
- 2001-12-17 AT AT01987423T patent/ATE444092T1/en not_active IP Right Cessation
- 2001-12-17 MX MXPA03005201A patent/MXPA03005201A/en active IP Right Grant
- 2001-12-17 DE DE60140079T patent/DE60140079D1/en not_active Expired - Lifetime
- 2001-12-17 CA CA002427484A patent/CA2427484C/en not_active Expired - Lifetime
- 2001-12-17 AT AT08000063T patent/ATE485855T1/en not_active IP Right Cessation
- 2001-12-17 BR BRPI0115779-5A patent/BR0115779B1/en not_active IP Right Cessation
- 2001-12-17 WO PCT/US2001/048972 patent/WO2002049680A2/en active IP Right Grant
- 2001-12-17 AU AU2002239638A patent/AU2002239638B2/en not_active Ceased
- 2001-12-17 JP JP2002551017A patent/JP4008813B2/en not_active Expired - Lifetime
- 2001-12-17 KR KR1020037008107A patent/KR100754639B1/en active IP Right Grant
- 2001-12-17 EP EP08000063A patent/EP1911482B1/en not_active Expired - Lifetime
- 2001-12-17 EP EP01987423A patent/EP1347798B1/en not_active Expired - Lifetime
-
2003
- 2003-06-11 NO NO20032643A patent/NO20032643L/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1347798A2 (en) | 2003-10-01 |
| KR20040039190A (en) | 2004-05-10 |
| ATE485855T1 (en) | 2010-11-15 |
| NO20032643L (en) | 2003-08-14 |
| EP1347798B1 (en) | 2009-09-30 |
| CA2427484C (en) | 2009-11-17 |
| MXPA03005201A (en) | 2003-09-25 |
| BR0115779A (en) | 2005-05-10 |
| US20020077586A1 (en) | 2002-06-20 |
| JP2004535840A (en) | 2004-12-02 |
| WO2002049680A2 (en) | 2002-06-27 |
| EP1911482A2 (en) | 2008-04-16 |
| EP1911482A3 (en) | 2008-05-07 |
| EP1911482B1 (en) | 2010-10-27 |
| KR100754639B1 (en) | 2007-09-05 |
| ATE444092T1 (en) | 2009-10-15 |
| US6602219B2 (en) | 2003-08-05 |
| DE60140079D1 (en) | 2009-11-12 |
| DE60143369D1 (en) | 2010-12-09 |
| WO2002049680A3 (en) | 2003-01-30 |
| BR0115779B1 (en) | 2011-02-08 |
| AU2002239638B2 (en) | 2007-07-26 |
| AU3963802A (en) | 2002-07-01 |
| NO20032643D0 (en) | 2003-06-11 |
| JP4008813B2 (en) | 2007-11-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20211217 |